from tkinter import *

root = Tk()
c = Canvas(width=400, height=400, bg='white')
c.pack()
c.create_rectangle(40, 200, 190, 150, fill="blue")
c.create_rectangle(40, 150, 90, 100, fill="blue")
c.create_rectangle(140, 150, 190, 100, fill="blue")
root.mainloop()
